-ic -up b-p b-u bbb bbc bbi bbp bbr bbt bbu bcb bcc bci bcp bcr bct bcu bi- bib bic bii bip bir bit biu bpb bpc bpi bpp bpr bpt bpu brb bri brp brr brt bru btb btc bti btp btr btt btu bub buc bui bup bur but buu c-- cbb cbc cbi cbp cbr cbt cbu ccb ccc cci ccp ccr cct ccu ci- cib cic cii cip cir cit ciu cpb cpc cpi cpp cpr cpt cpu crb crc cri crp crr crt cru ctb ctc cti ctp ctr ctt ctu cub cuc cui cup cur cut cuu ibb ibc ibi ibp ibr ibt ibu icb icc ici icp icr ict icu iib iic iii iip iir iit iiu ipb ipc ipi ipp ipr ipt ipu ir- irb irc iri irp irr irt iru itb itc iti itp itt itu iu- iub iuc iui iup iur iut p-p pbb pbc pbi pbp pbr pbt pbu pcb pcc pci pcp pcr pct pcu pib pic pii pip pir pit piu ppb ppc ppi ppp ppr ppt ppu prb prc pri prp prr prt pru pt- ptb ptc pti ptp ptr ptt ptu pub puc pui pup pur put puu rbb rbc rbi rbp rbr rbt rbu rcb rcc rci rcp rcr rct rcu rib ric rii rip rir rit rpb rpc rpi rpp rpr rpt rpu rrb rrc rri rrp rrr rrt rru rtb rtc rti rtp rtr rtt rtu rub ruc rui rup rur rut ruu tbb tbc tbi tbp tbr tbt tbu tcb tcc tci tcp tcr tct tcu tib tic tii tip tir tit tiu tpb tpc tpi tpp tpr tpt tpu trb trc tri trp trr trt tru ttb ttc tti ttp ttr ttt ttu tub tuc tui tup tur tut tuu ubb ubc ubi ubp ubr ubt ubu ucb ucc uci ucp ucr uct ucu uib uic uii uip uir uit uiu up- upb upc upi upp upr upt upu ur- urb urc uri urp urr urt uru utb utc uti utp utr utt utu uuc uur uut uuu

bbbb bbci bbpr bbrc bcbc bcbp bccc bcci bcit bcpp bcru bctc bcuc bcup bibb bibi bicc bici bipp bipu birb biri birr birt biru bitc bitt bitu bpcp bprc bpti brcb bric brit brrr brtc bruc brup brut btbp btcc btrc btrt bttb bubb bubi bubu bucc buci bucu buic buir buit buiu bupc bur- burb buri burp burr burt buru but- buti butt cbbc cbcc cbcp cbcr cbct cbcu cbir cbit cbpc cbpp cbrt cbtc ccbc cccb cccc ccci cccp cccu ccic ccii ccip ccir ccpp ccpr ccrc ccri ccrp ccrt cctb cctc cctt ccuc ccup ccut cibc cibi cicc cici cicr cict cicu ciii ciit cipp cirb circ ciri cirr cirt citb citi citp citt citu ciuc ciup cpbc cpcu cpic cpri cprt cptp cptr crbc crbu crcc crcr crib cric crip crit criu crpc crrt crtc crtp crub crup crut ctbi ctcp ctic ctpp ctrc ctrp cub- cubb cubi cucc cuci cui- cuir cuit cupp cupr curb curi curr curt cut- cutc cutt ibrc ibri ibtb ibtc icbc icbp iccb iccc icci iccp iccr icct iccu icpc icrc icrr icrt icru ictp icub icup iiii iiit iirc iitr iitt iiuc ipcc ipct ippc ippr ipri iptc ipur iput irbp ircc ircu iri- iric irip irpc irrc irri irti irtp itic itpc itri itup itur iucc iuiu iupp pbcc pcbc pccc pcip pcpb pcpp pcrc pibb pibi picc pici picr pict picu piip pipi pipp pirc piri pirr piru piti pitr pitt pitu ppcc ppci ppib ppic pppp pprc ppru pptt ppur prbc prcc prcp pri- prii prri prtc prti prtp prtr prut pruu ptcc pttc ptui pubu puir puit puiu pupi pupu pur- purb puri purp purr puru put- puti putt putu puuc rbbb rbbr rcbc rccb rccc rcic rcpi rcpt rctc rcti rib- ribu ricc rict ripi ripp ripr ript riri riti ritt ritu rpii rrrr rtcc rttp rubb rubi rubp rubu ruci ruct ruit rupp rupt rurc ruri rurp ruru ruti rutt rutu tbcb tbcc tbit tbrb tbtp tccc tccu tctc tibi tibu ticc tiit tiiu tip- tipc tipi tipp tipt tipu tirb tiri tirr tiru titc titi titp titt titu tpcp tpir tppp tppr tptp tptr tput trcc tri- trib tric trip trit trpc trpp trtc trtr trub truc trut truu ttbb ttcp tttt tubb tubr tubu tucc tuit tuiu tupi tupu turb turc turi turp turr turt turu tuti tutt tutu u-rp ubbi ubic ubii ubir ubit ubpc ucbc ucci uccp ucpb ucrc ucut uipi uirr upci upic uppc uppp uppu upri upup urbi urci urib uric uriu urri urup urur urut utri utti uttu uucp uuri uuuu

bccip bccup bibic bibri bipib birur bitit bitru bitti bitup britt brrrr bruit bruiu bruri btr-t bucci bucic bucur buici burcu buric burri burru burtt buruc burut butit butut c-p-c ccccc cccii cciii ccitt cibir cippi cirbp ciric cirr- cirri citr- ciuti cpctc cpi-u cribb cript ctrip cubi- cubic cubit cubub cucui cupic cupr- curbi curic curri curti curup cutcu cuti- cutit cutup ibbur icbrr icici ictic iiiii iitti ipiti ipubi irbit ircii irrit irupi itbit itrip ittti itu-r itu-t ituri ituru itutu iuput pctct picr- picti picui piiri pipit pippi pipri piric pirri pirui pitip pitri pitru pitti piuri piuru priit priti pritt ptcrb ptprb ptprc ptprr ptprt ptpru pubic pucci pupri putit putt- putti puttu putup puuri rcirc ribbi ribup ricci ripit ripup rirpu rubbi rubup rucci ruiru rupit ruric rutic ruutu tbtbt tbutt ti-ti tibbi tibbu tibur ticci tipit tippi tippu tipup tirit tirru tirur titcr titii titti titup tpcit tribu triip tripi tripp tript trit- tritt trubu truit trupt ttttt tubi- tubri tucci tuctu tuppi turbi turbt turic turit turri turtu turup turut tutti tuubi tuuri tuuru u-bit ubirr uitti upcut upput urbic uric- urric urubu urucu uruit ururi uruti urutu uttur uturu uuuuu

bbbbbb bibiri bibiru bircii biribi birpur bittur bribir bribri brubru brutii brutti bububu bucici burbur buriti burrup